Chemical Bonds Crossword

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Across
  1. 7. a bond where one atom's electron(s) joins another atoms's electrons and they are held together that way
  2. 9. an ion that is negatively charged
  3. 10. a simplified way to write a molecule's contents
  4. 11. a positively charged subatomic particle
  5. 12. a neutral subatomic particle
Down
  1. 1. bonds between atoms on the atomic level
  2. 2. a change in identity of a substance, usually through burning or oxidization
  3. 3. a negatively charged subatomic particle
  4. 4. a bond where an electron transfers elements, creating a cation and an anion, and they attract because opposites attract
  5. 5. groupings of atoms through chemical bonds
  6. 6. the basic building block of all matter
  7. 8. an ion that is positively charged